Listing 3.04 · Respiratory disorders
Cystic fibrosis
To be approved under this listing, a claim must meet any one of the criteria below — and the medical records have to prove it.
- A
FEV1 reduced to or below table values.
In plain terms: What's your FEV1 from your most recent CF clinic visit?
Evidence required:Pulmonary function test - B
Exacerbations requiring IV antibiotics or hospitalization 3+ times in 12 months.
In plain terms: In the past year, have you had 3 or more CF exacerbations requiring IV antibiotics or hospitalization?
Evidence required:Hospitalization record
Estimate the odds
Historical approval rates for a claim like this — by state, age, and stage.
Approval odds by condition
How claims for this body system fare through the process.
Other respiratory disorders listings
Source: SSA Listing of Impairments (Blue Book), 20 CFR Part 404, Subpart P, Appendix 1 · Updated 2026-07-31. Criteria paraphrased for readability; see the official SSA text linked above. Not legal or medical advice — whether a specific medical record meets Listing 3.04 is an individualized judgment SSA makes on the evidence.